| About Us |
Dry Air |
Water Treatment |
Technical Material |
For Vendors |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
Howell Laboratories, Inc. |
P. O. Box 389, 188 Harrison Rd., Bridgton Maine 04009 USA |
| (207) 647-3327 | (888) 744-8359 | FAX (207) 647-8273 | contracts@howelllabs.com |
|---|
- An Employee-Owned Company -
Certified to ISO 9001:2000

| NOTE: | This list does not include hardware items such as bolts, nuts, washers, and O-rings. The manufacturer uses stainless steel hardware in standard U. S. sizes, and MIL-SPEC O-rings. |
|---|
| HLI Group No. | G511 | G512 | G513 | G521 | G522 | G531 | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| U. S. Navy Type: | IA | IB | IC | IIA | IIB | III | ||||
| Technical Manual: | (all groups) S9551-BG-MMA-010 | |||||||||
| Part Description |
HLI Part No. (NSN) |
Quantity per Unit | ||||||||
| Humidity Alarm Controller | 5219 (6685-01-260-6068) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| • | Alarm Lamp | 3907-G503 (6210-01-280-3356) |
1 | 1 | 1 | 1 | 1 | 1 | ||
| • | • | Replacement Lamp Bulb | 3907-06 | 2 ref | 2 ref | 2 ref | 2 ref | 2 ref | 2 ref | |
| • | Lamp-Test Push Button Switch | 4508 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| • | Lamp Flasher Unit | 4901 (5945-01-193-0058) |
1 | 1 | 1 | 1 | 1 | 1 | ||
| • | Fuse | 3043-09 (5920-01-113-6825) |
1 | 1 | 1 | 1 | 1 | 1 | ||
| Humidity Sensor | 3905-03 (6685-01-246-0261) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| Valve, angled globe | 4891 (4820-01-259-8771) |
5 | 5 | 5 | 5 | 5 | 5 | |||
| • | Packing Set, angled globe valve | 4891-02 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Bonnet O-Ring, angled globe valve | 4891-03 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Seat Ring, angled globe valve | 4891-05 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Disc Assembly, angled globe valve | 4891-06 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| Valve, globe needle | 4874 (4820-01-189-8519) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| • | Packing Set, globe needle valve | 4874-02 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Bonnet O-Ring, globe needle valve | 4874-03 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Seat Ring, globe needle valve | 4874-05 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| • | Disc Assembly, globe needle valve | 4874-06 | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | 5 ref | ||
| Filter Element with gaskets, In-Line Filter | 4876-02 (4330-00-403-4774) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| O-Ring, In-Line Filter Housing Seal | MS9021-023 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| Pressure Regulator, intermediate | 5300-G503 (4820-01-232-2447) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| • | Overhaul Kit, intermediate pressure regulator | 5300-2/7 | 1 ref | 1 ref | 1 ref | 1 ref | 1 ref | 1 ref | ||
| • | Overhaul Kit, intermediate pressure regulator | 5300-10 | 1 ref | 1 ref | 1 ref | 1 ref | 1 ref | 1 ref | ||
| Flowmeter | 5259-G501 (6680-01-152-2825) |
1 | 1 | 1 | ||||||
| 5259-G502 | 1 | 1 | ||||||||
| 4872-G503 | 1 | |||||||||
| Pressure Regulator, Outlet | 5300-G501 | 1 | 1 | |||||||
| 5300-G502 | 1 | 1 | 1 | |||||||
| • | Overhaul Kit, Outlet Pressure Regulator | (for P/N 5300) | 1 ref | 1 ref | 1 ref | 1 ref | 1 ref | |||
| Pressure Relief Valve | 4875-G503 | 1 | ||||||||
| 4875-G504 | 1 | |||||||||
| 4875-G505 (4820-01-140-4341) |
1 | 1 | ||||||||
| 4875-G506 | 1 | |||||||||
| 4875-G507 | 1 | |||||||||
| • | Adjusting Tool, Relief Valve | 4875-08 | 1 | 1 | 1 | 1 | ||||
| 4875-10 | 1 | 1 | ||||||||
| • | Nut Driver, Relief Valve | 4875-09 | 1 | 1 | 1 | 1 | ||||
| 4875-11 | 1 | 1 | ||||||||
| • | Spring, Relief Valve | 4875-14 | ref | |||||||
| 4875-15 | ref | |||||||||
| 4875-16 | ref | ref | ||||||||
| 4875-17 | ref | |||||||||
| 4875-18 | ref | |||||||||
| • | Quad Ring, Relief Valve | 4875-20 | ref | ref | ref | ref | ||||
| 4875-21 | ref | ref | ||||||||
| Pressure Gauge, inlet | 4871-06 (6685-00-591-1952) |
1 | 1 | 1 | 1 | 1 | 1 | |||
| Pressure Gauge, intermediate | 4871-04 (6685-00-850-0975) |
1 | 1 | 1 | ||||||
| 4871-05 (6685-01-175-3428) |
1 | 1 | ||||||||
| Pressure Gauge, outlet | 4871-01 (5-10 psig) or 5040-G501 (3-5 psig) or 5040-G502 (0-3.3 psig) |
1 | ||||||||
| 4871-02 | 1 | |||||||||
| 4871-03 (6685-01-260-7140) |
1 | 1 | ||||||||
| 4871-04 (6685-00-860-0975) |
1 | |||||||||
| 4871-05 (6685-01-175-3428) |
1 | |||||||||
| Purge Test Fitting | 4915 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| O-Ring, All 1/4" Unions | M83248/2-017 (5330-00-166-1088) |
16 | 16 | 16 | 16 | 16 | 16 | |||
| O-Ring Retainer, All 1/4" Unions | 3899-01 (5365-01-088-3154) |
16 | 16 | 16 | 16 | 16 | 16 | |||